sechk - SEcurity CHecKer
It is a powerful and useful tool to check if you got exploited and rooted, it will use checksum comparation via md5 sum, it exchanges file lists and csums from the sechk server. It\'s gonna work with all posixes and unixes.

CSPN(Cryptanalysis of Substitution-Permutation Networks) is the Crypto(Cryptography) tool that will be used for Linear and differential Cryptanalysis of AES,DES and all the encryption standards that will have the SPN as its skeleton model.